1. Bascom Palmer Eye Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida.
2. Department of Ophthalmology, Faculty of Medicine, Khon Kaen University, Srinagarind Hospital, Khon Kaen, Thailand.
3. Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania.
4. Waksman Institute, Rutgers University, Piscataway, New Jersey.